PHOTOGRAMMETRIC TECHNIQUES FOR THE RECONSTRUCTION OF UNDERWATER 3D MODELS OF SEABED AND ARTIFACTS

International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences

Fotia, A.^1¹  Barrile, V.^1² 

[1] CNR – Instituto Processi Chimico Fisici (sez. Messina), via G. La Farina 237, 98123 Messina, Italy^2;DICEAM –Department of Civil, Energy, Environmental and Material Engineering - Mediterranea University - Località Feo Di Vito 89124 Reggio Calabria, Italy^1

关键词: ROV;    3D models;    bathymetry;   

DOI  :  10.5194/isprs-archives-XLII-2-W10-25-2019

学科分类：地球科学(综合)

来源: Copernicus Publications

【 摘 要 】

The digital representation of hydraulic engineering works such as dykes or barriers is a sector that is becoming increasingly important. In general, however, the 3D relief of semi-submerged structures is still a problem. The Geomatics Laboratory in collaboration with CNR-IPCF of Messina as part of a broader project to analyze the variations of the coast lines and the seabed of the province of Reggio Calabria (southern Italy), has developed an experimental system of acquisition and processing of digital images acquired via UAV and (Remotely operated vehicle) ROV. The present note describes the design and construction characteristics of the ROV realized and used, the advantages and limitations of the use of a small and low-cost ROV, as well as the results obtained during the experimentation phase. The process of surveying of the sub-emerged structure inquired and the relative construction of a unique 3D model are also described. The two surveys were first elaborated separately and then united in a single reference system by means of the visible markers in the area straddling the sea surface. Finally, the bathymetry values obtained from the classic echo sounder system and those obtained from the model obtained were compared.

【 授权许可】

CC BY